Characteristics of hospital patient experiencing homelessness, compared with housed patients living in socioeconomically deprived areas
| Variable | Level | Homeless, n (%) | Housed, n (%) |
| Total | 2772 (100) | 2772 (100) | |
| Age at index admission (matched) | Mean (SD) | 44.21 (14.15) | 44.34 (14.56) |
| Median (IQR) | 43.64 (33.37–53.75) | 43.67 (33.05–53.51) | |
| Sex (matched) | Female | 768 (28) | 768 (28) |
| Male | 2004 (72) | 2004 (72) | |
| Year of index admission (matched) | 2013 | 76 (3) | 76 (3) |
| 2014 | 769 (28) | 769 (28) | |
| 2015 | 948 (34) | 948 (34) | |
| 2016 | 979 (35) | 979 (35) | |
| Number of comorbidities, based on prior hospital admissions (ICD-10 chapters 2–14 and 17) | 0 | 926 (33) | 1238 (45) |
| 1 | 769 (28) | 784 (28) | |
| 2 | 541 (20) | 424 (15) | |
| 3 | 307 (11) | 183 (7) | |
| 4+ | 229 (8) | 143 (5) | |
| Mean (SD) | 1.38 (1.41) | 1.02 (1.24) | |
| Median (IQR) | 1 (0–2) | 1 (0–2) | |
| ICD-10 chapter of index admission | Accidents and other external | 695 (25) | 452 (16) |
| Digestive diseases | 223 (8) | 298 (11) | |
| Circulatory diseases | 226 (8) | 228 (8) | |
| Mental health | 347 (13) | 90 (3) | |
| Respiratory diseases | 189 (7) | 236 (9) | |
| Skin problems | 206 (7) | 106 (4) | |
| Genitourinary diseases | 89 (3) | 210 (8) | |
| Musculoskeletal problems | 112 (4) | 127 (5) | |
| Infections | 75 (3) | 78 (3) | |
| Cancers | 63 (2) | 80 (3) | |
| Other* | 547 (20) | 867 (31) | |
| Discharge method for index admission | Self (without clinical consent) | 253 (9) | 100 (4) |
| With clinical consent | 2519 (91) | 2672 (96) | |
| Years of follow-up after index admission | 6753 | 6987 | |
| Emergency readmissions (rate per 1000 person-years) | 12 472 (1847) | 4525 (648) | |
| Planned readmissions (rate per 1000 person-years) | 3400 (503) | 4769 (683) | |
| A&E visits (rate per 1000 person-years) | 43 808 (6487) | 14 186 (2030) | |
| Died during the study (%) | 451 (16) | 311 (11) | |
*‘Other’ includes ICD-10 chapters (II) diseases of the blood and blood-forming organs; (IV) endocrine, nutritional and metabolic diseases; (VI) diseases of the nervous system; (VII) diseases of the eye; (VIII) diseases of the ear.
A&E, Accident and Emergency; ICD-10, 10th revision of the International Statistical Classification of Diseases and Related Health Problems.